Home / 64,361,049.60-96,532,243.20-18,918,105.60

Finding the Fourth Proportional to 64,361,049.60, 96,532,243.20 and 18,918,105.60

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Solution

The fourth proportional to 64,361,049.60, 96,532,243.20 and 18,918,105.60 is: 28,374,415.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,361,049.60 : 96,532,243.20 = 18,918,105.60 : x
  2. Step 2: Convert to fraction form
    64,361,049.60/96,532,243.20 = 18,918,105.60/x
  3. Step 3: Cross multiply
    64,361,049.60x = 96,532,243.20 × 18,918,105.60
  4. Step 4: Simplify right side
    64,361,049.60x = 1,826,207,170,662,482
  5. Step 5: Solve for x
    x = 1,826,207,170,662,482/64,361,049.60
  6. Step 6: Final answer
    x = 28,374,415.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.